Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Paulo Roberto Campos Flexa Ribeiro Filho"'
Autor:
Paulo Roberto Campos Flexa Ribeiro Filho, Matheus Rocha do Nascimento, Silvia Shelly Otaviano da Silva, Francisco Murilo Tavares de Luna, Enrique Rodríguez-Castellón, Célio Loureiro Cavalcante
Publikováno v:
Lubricants, Vol 11, Iss 2, p 57 (2023)
The depletion of oil reserves and concerns about the environmental impact of the use and incorrect disposal of mineral lubricants have been promoting the development of bio-based lubricants. In this study, biolubricants obtained from fatty acids of c
Externí odkaz:
https://doaj.org/article/fad38cf329034168abfa90cfc34c5360
Autor:
F. MURILO T. LUNA, Celio Cavalcante, Silvia Silva, Matheus Nascimento, Paulo Roberto Campos Flexa Ribeiro Filho, Sandra Soares
Publikováno v:
Journal of the Brazilian Society of Mechanical Sciences and Engineering. 44
Autor:
Leonardo dos Santos e Santos, Werner Kleyson da Silva Soares, Paulo Roberto Campos Flexa Ribeiro Filho
Publikováno v:
Engineering Failure Analysis. 141:106702
Autor:
Emanuel Negrão Macêdo, Paulo Roberto Campos Flexa Ribeiro Filho, Leonardo dos Santos e Santos
Publikováno v:
Journal of the Brazilian Society of Mechanical Sciences and Engineering. 43
In this paper, a detailed literature review of indentation rolling resistance (IRR) in pipe belt conveyors is provided. Pipe belt conveyors offer an alternative to overcome the technical limitations of trough belt conveyors. However, pipe belt convey
Autor:
Luciana Patrícia Lima Alves Pereira, Tássio Rômulo Silva Araújo Luz, Paulo Roberto Campos Flexa Ribeiro Filho, Edilene Carvalho Gomes Ribeiro, Gleycka Cristine Carvalho Gomes Frazão, Everton Gomes Guimarães dos Santos, Denise Fernandes Coutinho, Daniella Patrícia Brandão Silveira, Ricardo Luvizotto Santos, Samara Araújo Bezerra, José Antonio Costa Leite, Alexandra Martins dos Santos Soares
Publikováno v:
Acta Tropica. 223:106089
The molluscicidal action of essential oils have been attributed to the most prevalent terpene compounds. However, molluscicidal properties, mode of action, and toxicity to non-target organisms remain unclear. In this study, the molluscicidal potentia
Autor:
Deovaldo de Moraes Júnior, Paulo Roberto Campos Flexa Ribeiro Filho, Aldo Ramos Santos, Marlene Silva de Moraes
Publikováno v:
Revista Brasileira de Energias Renováveis. 8
O processo de produção dos óleos lubrificantes, derivados do petróleo, disponíveis para comercialização acarretam problemas ambientais desde a sua extração até o descarte. Neste cenário, nas últimas duas décadas, centenas de pesquisadore
Autor:
Emanuel Negrão Macêdo, Leonardo dos Santos e Santos, Paulo Roberto Campos Flexa Ribeiro Filho
Publikováno v:
Measurement. 153:107413
The major contribution to energy consumption in a pipe conveyor is from indentation rolling resistance, which is also called viscoelastic resistance. Reproducing the effects of actual operating conditions is a challenge for direct measurements, as sa
Autor:
Aldo Ramos Santos, Marlene Silva de Moraes, Deovaldo de Moraes Júnior, Paulo Roberto Campos Flexa Ribeiro Filho
Publikováno v:
Revista Brasileira de Energias Renováveis. 5
O aumento da demanda por petroleo, associado as preocupacoes ambientais, impulsionam o desenvolvimento de estudos de oleos vegetais para aplicacoes em lubrificacao. Nesse sentido, objetivou-se determinar as propriedades fisicas dos oleos vegetais de
Publikováno v:
International Journal on Engineering Applications (IREA). 6:133
The torsional stiffness can be considered the most important chassis characteristic, so, automotive competitions team’s of the State University of Maranhao need to constantly assess this size; since the resources are absent, most of the time become